使用adb对Android手机执行捏入/捏出命令

到目前为止，我能够点击，滑动，解锁，安装/卸载和使用adb命令启动应用程序，但无法找到如何使用adb命令执行放大/缩小。

我已经得到了捏进/捏出的坐标，但不理解如何从终端使用adb命令触发它们。

例如，我们有命令——> adb shell input tap x y，所以在这里我们可以用值/坐标替换x和y，类似地，我想知道模拟捏入/捏出的方法。

我得到的夹紧坐标如下。

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您可以使用adb getevent和sendevent。
使用adb连接设备。请按照以下步骤操作。

标识输入设备:
打开设备上的任意图像。要列出输入设备，请运行

$ adb shell getevent   
add device 1: /dev/input/event7   
name:     "msm8226-tapan9302-snd-card Headset Jack"
add device 2: /dev/input/event6
  name:     "msm8226-tapan9302-snd-card Button Jack"
add device 3: /dev/input/event2
  name:     "synaptics_dsx_i2c"
add device 4: /dev/input/event4
  name:     "qpnp_pon"

在图像上捏进/捏出，你应该会看到一些连续的日志，比如

/dev/input/event2: 0003 0030 00000005
/dev/input/event2: 0000 0000 00000000
/dev/input/event2: 0003 002f 00000000
/dev/input/event2: 0003 0036 00000144
/dev/input/event2: 0003 003a 00000079
/dev/input/event2: 0000 0000 00000000
/dev/input/event2: 0003 0036 00000142

确认/dev/input/event2是我的目标设备的输入设备名称。

获取getevent并将getevent转换为sendevent:

确保你的屏幕打开并打开一些图像，
在提示符下运行以下命令。
```
$ adb shell getevent | grep dev/input/event2 > getevent_input.txt
```
当上面运行时，在手机上捏入/捏出图像。
一旦完成，终止上面的命令Ctrl + C
打开getevent_input.txt文件，删除第一行"add device X: /dev/input/eventX"。
因为getevent返回的值是十进制，而sendevent返回的值是十六进制。
我们必须做上面的转换。
这里的脚本hex_to_dec.py完成这项工作。多亏了这个家伙!
```
$./hex_to_dec.py  getevent_input.txt 
```
生成文件getevent_input.scr，现在将该文件重命名为.sh
```
$ mv getevent_input.scr  sendevent_input.sh
```
打开sendevent_input.sh文件，删除第二行"echoing – drawing function"并保存

在设备上运行
传输sendevent_input.sh到设备

$ adb push sendevent_input.sh /sdcard/
1615 KB/s (64379 bytes in 0.038s)

确保您的设备打开了图像，并且屏幕没有关闭。

$ adb shell sh /sdcard/sendevent_input.sh

对我来说很好，如果这是你想要的。
为了获得可见的结果，在开发人员选项中启用Show touches。

环境:Motorola Moto G (Android 4.4.4)和ADB (v 1.0.31)在Ubuntu 12.04上。

使用adb shell input的一种(有点hacky)解决方案如下

adb shell input tap 200 200 & PIDTAP=$!
sleep 0.1
adb shell input swipe 200 200 200 100 1000 & PIDSWIPE=$!
wait $PIDTAP
wait $PIDSWIPE

这个想法是我们启动TAP命令，然后短暂睡眠，然后执行滑动。这样的命令序列被解释为点击+滑动，因此执行缩放。上面的例子是地图上的缩放

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